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    <meta charset="utf-8">
    <title>CodeMirror: Full Screen Editing</title>
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    <script src="../lib/codemirror.js"></script>
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    <script src="../mode/xml/xml.js"></script>
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        position: absolute;
        top: 0; left: 0;
        width: 100%;
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    <h1>CodeMirror: Full Screen Editing</h1>

    <form><textarea id="code" name="code" rows="5">
  <dt id="option_indentWithTabs"><code>indentWithTabs (boolean)</code></dt>
  <dd>Whether, when indenting, the first N*8 spaces should be
  replaced by N tabs. Default is false.</dd>

  <dt id="option_tabMode"><code>tabMode (string)</code></dt>
  <dd>Determines what happens when the user presses the tab key.
  Must be one of the following:
    <dl>
      <dt><code>"classic" (the default)</code></dt>
      <dd>When nothing is selected, insert a tab. Otherwise,
      behave like the <code>"shift"</code> mode. (When shift is
      held, this behaves like the <code>"indent"</code> mode.)</dd>
      <dt><code>"shift"</code></dt>
      <dd>Indent all selected lines by
      one <a href="#option_indentUnit"><code>indentUnit</code></a>.
      If shift was held while pressing tab, un-indent all selected
      lines one unit.</dd>
      <dt><code>"indent"</code></dt>
      <dd>Indent the line the 'correctly', based on its syntactic
      context. Only works if the
      mode <a href="#indent">supports</a> it.</dd>
      <dt><code>"default"</code></dt>
      <dd>Do not capture tab presses, let the browser apply its
      default behaviour (which usually means it skips to the next
      control).</dd>
    </dl></dd>

  <dt id="option_enterMode"><code>enterMode (string)</code></dt>
  <dd>Determines whether and how new lines are indented when the
  enter key is pressed. The following modes are supported:
    <dl>
      <dt><code>"indent" (the default)</code></dt>
      <dd>Use the mode's indentation rules to give the new line
      the correct indentation.</dd>
      <dt><code>"keep"</code></dt>
      <dd>Indent the line the same as the previous line.</dd>
      <dt><code>"flat"</code></dt>
      <dd>Do not indent the new line.</dd>
    </dl></dd>

  <dt id="option_enterMode"><code>enterMode (string)</code></dt>
  <dd>Determines whether and how new lines are indented when the
  enter key is pressed. The following modes are supported:
    <dl>
      <dt><code>"indent" (the default)</code></dt>
      <dd>Use the mode's indentation rules to give the new line
      the correct indentation.</dd>
      <dt><code>"keep"</code></dt>
      <dd>Indent the line the same as the previous line.</dd>
      <dt><code>"flat"</code></dt>
      <dd>Do not indent the new line.</dd>
    </dl></dd>

  <dt id="option_enterMode"><code>enterMode (string)</code></dt>
  <dd>Determines whether and how new lines are indented when the
  enter key is pressed. The following modes are supported:
    <dl>
      <dt><code>"indent" (the default)</code></dt>
      <dd>Use the mode's indentation rules to give the new line
      the correct indentation.</dd>
      <dt><code>"keep"</code></dt>
      <dd>Indent the line the same as the previous line.</dd>
      <dt><code>"flat"</code></dt>
      <dd>Do not indent the new line.</dd>
    </dl></dd>

  <dt id="option_enterMode"><code>enterMode (string)</code></dt>
  <dd>Determines whether and how new lines are indented when the
  enter key is pressed. The following modes are supported:
    <dl>
      <dt><code>"indent" (the default)</code></dt>
      <dd>Use the mode's indentation rules to give the new line
      the correct indentation.</dd>
      <dt><code>"keep"</code></dt>
      <dd>Indent the line the same as the previous line.</dd>
      <dt><code>"flat"</code></dt>
      <dd>Do not indent the new line.</dd>
    </dl></dd>

</textarea></form>
  <script>
    function isFullScreen(cm) {
      return /\bCodeMirror-fullscreen\b/.test(cm.getWrapperElement().className);
    }
    function winHeight() {
      return window.innerHeight || (document.documentElement || document.body).clientHeight;
    }
    function setFullScreen(cm, full) {
      var wrap = cm.getWrapperElement();
      if (full) {
        wrap.className += " CodeMirror-fullscreen";
        wrap.style.height = winHeight() + "px";
        document.documentElement.style.overflow = "hidden";
      } else {
        wrap.className = wrap.className.replace(" CodeMirror-fullscreen", "");
        wrap.style.height = "";
        document.documentElement.style.overflow = "";
      }
      cm.refresh();
    }
    CodeMirror.on(window, "resize", function() {
      var showing = document.body.getElementsByClassName("CodeMirror-fullscreen")[0];
      if (!showing) return;
      showing.CodeMirror.getWrapperElement().style.height = winHeight() + "px";
    });
    var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
      lineNumbers: true,
      theme: "night",
      extraKeys: {
        "F11": function(cm) {
          setFullScreen(cm, !isFullScreen(cm));
        },
        "Esc": function(cm) {
          if (isFullScreen(cm)) setFullScreen(cm, false);
        }
      }
    });
  </script>

    <p>Press <strong>F11</strong> when cursor is in the editor to toggle full screen editing. <strong>Esc</strong> can also be used to <i>exit</i> full screen editing.</p>
  </body>
</html>
